Chapter 3 Flashcards
Selective attention
Focusing conscious awareness on a particular
stimulus
Inattentional blindness
Failure to see visible objects when attention is
directed elsewhere
Change blindness
Failure to notice changes in the environment, a form
of inattentional blindness
Dual Processing
Information is often simultaneously processed on
separate conscious (explicit) and unconscious
(implicit) tracks
Blindsight awareness
A person can respond to a visual stimulus without
consciously experiencing it.
Parallel processing
Processing many aspects of a problem
simultaneously; the brain’s natural mode of
information processing for many functions
Sequential processing
Focusing conscious awareness on a particular
stimulus
Circadian rhythm
Internal biological clock of 24-hour
cycle of day and night
Body temperature rises as morning approaches,
peaks during the day, dips in the early afternoon, and
begins to drop in the evening
Alpha waves
Relatively slow brain waves of a relaxed, awake state
Hallucinations
False sensory experiences, such as seeing
something in the absence of an external visual
stimulus
Delta waves
Large, slow brain waves associated with deep sleep
REM (rapid eye movement)
Sleep stage during which vivid dreams commonly occur
REM rebound
Tendency for REM sleep to increase following REM
sleep deprivation
Bright morning light activates light-sensitive proteins
that trigger the __________ nucleus (SCN) to
cause decreased production of melatonin in the
morning and increased production in the evening.
suprachiasmatic
Sleep may have played a ______ role in human
evolution by keeping people safe during potentially
dangerous periods
protective
